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used Vector3f instead of Vector4f at lookat function.

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hyzboy
2022-01-18 12:01:36 +08:00
parent cb9f443009
commit caaefe206b
2 changed files with 5 additions and 5 deletions
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2
inc/hgl/math/Matrix.h
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@@ -74,7 +74,7 @@ namespace hgl
* @param target 目标位置 * @param target 目标位置
* @param up 向上向量 * @param up 向上向量
*/ */
Matrix4f lookat(const Vector4f &eye,const Vector4f &target,const Vector4f &up); Matrix4f lookat(const Vector3f &eye,const Vector3f &target,const Vector3f &up);
inline Matrix4f translate(const Vector3f &v) inline Matrix4f translate(const Vector3f &v)
{ {

8
src/Math/Matrix4f.cpp
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@@ -103,12 +103,12 @@ namespace hgl
); );
} }
Matrix4f lookat(const Vector4f &eye,const Vector4f &target,const Vector4f &up) Matrix4f lookat(const Vector3f &eye,const Vector3f &target,const Vector3f &up)
{ {
Vector4f forward=normalize(target-eye); Vector3f forward=normalize(target-eye);
Vector4f right=normalize(cross(forward,up)); Vector3f right=normalize(cross(forward,up));
Vector4f nup=cross(right,forward); Vector3f nup=cross(right,forward);
return Matrix4f( right.x, return Matrix4f( right.x,
nup.x, nup.x,